The appropriate level of significance for the statistical ...

[Chelseaamend]

The appropriate level of significance for the statistical analysis of a given experiment is determined by
 
  a. the situation.
  b. the number of participants in the study.
  c. what everybody else does.
  d. the particular journal.

Question 2

In a between-subjects experiment, if the participants in one group are noticeably older than the participants in another group, then participant age is a confounding variable and threatens the internal validity of the experiment.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[lou]

Answer to Question 1

A

Answer to Question 2

True